{"id":1495,"date":"2026-01-29T15:13:57","date_gmt":"2026-01-29T15:13:57","guid":{"rendered":"https:\/\/www.tech-posts.com\/cn\/mastering-extension-points-in-use-case-diagrams-a-guide-to-identifying-and-implementing-segments-2\/"},"modified":"2026-01-29T15:13:57","modified_gmt":"2026-01-29T15:13:57","slug":"mastering-extension-points-in-use-case-diagrams-a-guide-to-identifying-and-implementing-segments-2","status":"publish","type":"post","link":"https:\/\/www.tech-posts.com\/cn\/mastering-extension-points-in-use-case-diagrams-a-guide-to-identifying-and-implementing-segments-2\/","title":{"rendered":"\u638c\u63e1\u7528\u4f8b\u56fe\u4e2d\u7684\u6269\u5c55\u70b9\uff1a\u8bc6\u522b\u548c\u5b9e\u73b0<<extend>>\u7247\u6bb5\u7684\u6307\u5357"},"content":{"rendered":"<p dir=\"auto\">\u5728<a href=\"https:\/\/en.wikipedia.org\/wiki\/Unified_Modeling_Language\">\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09<\/a>, <a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\">\u7528\u4f8b\u56fe<\/a>\u662f\u6355\u6349\u7cfb\u7edf\u529f\u80fd\u9700\u6c42\u7684\u5f3a\u5927\u5de5\u5177\u3002\u8fd9\u4e9b\u56fe\u7684\u5173\u952e\u7279\u6027\u662f&lt;&lt;extend&gt;&gt;\u5173\u7cfb\uff0c\u5b83\u5141\u8bb8\u5728\u7279\u5b9a\u79f0\u4e3a<strong>\u6269\u5c55\u70b9<\/strong>\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u53ef\u9009\u6216\u6761\u4ef6\u6027\u884c\u4e3a\u3002\u6b63\u786e\u8bc6\u522b\u63d2\u5165\u8fd9\u4e9b\u6269\u5c55\u70b9\u7684\u4f4d\u7f6e\u5bf9\u4e8e\u521b\u5efa\u6a21\u5757\u5316\u3001\u53ef\u91cd\u7528\u4e14\u6e05\u6670\u7684\u7528\u4f8b\u6a21\u578b\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u63d0\u4f9b\u4e86\u4e00\u4e2a\u9010\u6b65\u6307\u5357\uff0c\u7528\u4e8e\u8bc6\u522b\u548c\u5b9e\u73b0\u6269\u5c55\u70b9\uff0c\u5e76\u901a\u8fc7\u5b9e\u9645\u793a\u4f8b\u6765\u8bf4\u660e\u5176\u5728\u73b0\u5b9e\u573a\u666f\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n<h2 dir=\"auto\">\u4ec0\u4e48\u662f\u6269\u5c55\u70b9\u548c&lt;&lt;extend&gt;&gt;\u5173\u7cfb\uff1f<\/h2>\n<p dir=\"auto\">\u4e00\u4e2a<strong>\u6269\u5c55\u70b9<\/strong>\u662f\u57fa\u7528\u4f8b\u4e2d\u4e00\u4e2a\u7279\u5b9a\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u5728\u8be5\u4f4d\u7f6e\u63d2\u5165\u989d\u5916\u7684\u3001\u53ef\u9009\u7684\u6216\u6761\u4ef6\u6027\u7684\u884c\u4e3a\uff08\u6765\u81ea\u6269\u5c55\u7528\u4f8b\uff09\u3002&lt;&lt;extend&gt;&gt;\u5173\u7cfb\u8868\u660e\uff0c\u6269\u5c55\u7528\u4f8b\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u5411\u57fa\u7528\u4f8b\u6dfb\u52a0\u884c\u4e3a\uff0c\u800c\u4e0d\u4f1a\u6539\u53d8\u5176\u6838\u5fc3\u6d41\u7a0b\u3002\u8fd9\u4f7f\u5f97\u7cfb\u7edf\u8bbe\u8ba1\u66f4\u5177\u7075\u6d3b\u6027\uff0c\u80fd\u591f\u5728\u4fdd\u6301\u57fa\u7528\u4f8b\u72ec\u7acb\u4e14\u5b8c\u6574\u7684\u540c\u65f6\uff0c\u652f\u6301\u53ef\u9009\u529f\u80fd\u6216\u53d8\u4f53\u3002<\/p>\n<p dir=\"auto\">\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u7535\u5b50\u5546\u52a1\u7cfb\u7edf\u4e2d\uff0c\u57fa\u7528\u4f8b<strong>\u201c\u4e0b\u5355\u201d<\/strong>\u53ef\u80fd\u5305\u542b\u4e00\u4e2a\u7528\u4e8e<strong>\u201c\u5e94\u7528\u6298\u6263\u201d<\/strong>\u7684\u6269\u5c55\u70b9\uff0c\u8be5\u6269\u5c55\u70b9\u4ec5\u5728\u7528\u6237\u8f93\u5165\u6709\u6548\u6298\u6263\u7801\u65f6\u89e6\u53d1\u3002\u57fa\u7528\u4f8b\u5728\u6ca1\u6709\u6298\u6263\u7684\u60c5\u51b5\u4e0b\u4f9d\u7136\u53ef\u7528\uff0c\u4f46\u5f53\u9002\u7528\u65f6\uff0c\u6269\u5c55\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u589e\u5f3a\u3002<\/p>\n<h2 dir=\"auto\">\u4e3a\u4ec0\u4e48\u6269\u5c55\u70b9\u5f88\u91cd\u8981\uff1f<\/h2>\n<p dir=\"auto\">\u6269\u5c55\u70b9\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u589e\u5f3a\u7528\u4f8b\u56fe\uff1a<\/p>\n<ul dir=\"auto\">\n<li><strong>\u884c\u4e3a\u6a21\u5757\u5316<\/strong>\uff1a\u5c06\u53ef\u9009\u6216\u6761\u4ef6\u6027\u884c\u4e3a\u5206\u79bb\u5230\u72ec\u7acb\u7684\u7528\u4f8b\u4e2d\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6e05\u6670\u5ea6\u548c\u53ef\u91cd\u7528\u6027\u3002<\/li>\n<li><strong>\u652f\u6301\u7075\u6d3b\u6027<\/strong>\uff1a\u5b83\u4eec\u4f7f\u7cfb\u7edf\u80fd\u591f\u9002\u5e94\u5404\u79cd\u53d8\u5316\uff0c\u800c\u4e0d\u4f1a\u4f7f\u57fa\u7528\u4f8b\u53d8\u5f97\u6742\u4e71\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u53ef\u7ef4\u62a4\u6027<\/strong>\uff1a\u5bf9\u53ef\u9009\u884c\u4e3a\u7684\u4fee\u6539\u65e0\u9700\u66f4\u6539\u6838\u5fc3\u7528\u4f8b\u3002<\/li>\n<li><strong>\u589e\u5f3a\u5229\u76ca\u76f8\u5173\u8005\u6c9f\u901a<\/strong>\uff1a\u660e\u786e\u547d\u540d\u7684\u6269\u5c55\u70b9\u4f7f\u5229\u76ca\u76f8\u5173\u8005\u66f4\u5bb9\u6613\u7406\u89e3\u6269\u5c55\u53d1\u751f\u7684\u4f4d\u7f6e\u548c\u539f\u56e0\u3002<\/li>\n<\/ul>\n<p dir=\"auto\">\u7136\u800c\uff0c\u8bc6\u522b&lt;&lt;extend&gt;&gt;\u7247\u6bb5\u7684\u5408\u9002\u4f4d\u7f6e\u9700\u8981\u4ed4\u7ec6\u5206\u6790\u3002\u4ee5\u4e0b\u662f\u786e\u5b9a\u8fd9\u4e9b\u4f4d\u7f6e\u7684\u7ed3\u6784\u5316\u65b9\u6cd5\uff0c\u968f\u540e\u9644\u6709\u793a\u4f8b\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n<h2 dir=\"auto\">\u5982\u4f55\u8bc6\u522b&lt;&lt;extend&gt;&gt;\u7247\u6bb5\u7684\u6269\u5c55\u70b9<\/h2>\n<p dir=\"auto\">\u4ee5\u4e0b\u662f\u8bc6\u522b\u548c\u5b9a\u4e49\u7528\u4f8b\u4e2d\u6269\u5c55\u70b9\u7684\u9010\u6b65\u6307\u5357\uff1a<\/p>\n<h3 dir=\"auto\">1. \u5206\u6790\u57fa\u672c\u7528\u4f8b\u6d41\u7a0b<\/h3>\n<p dir=\"auto\">\u9996\u5148\u5f7b\u5e95\u5ba1\u67e5<strong>\u4e3b\u8981\u6210\u529f\u573a\u666f<\/strong>\u4ee5\u53ca<strong>\u66ff\u4ee3\u6d41\u7a0b<\/strong>\u57fa\u672c\u7528\u4f8b\u7684\u6d41\u7a0b\u3002\u5bfb\u627e\u4ee5\u4e0b\u60c5\u51b5\u7684\u6b65\u9aa4\uff1a<\/p>\n<ul dir=\"auto\">\n<li>\u53ef\u80fd\u4f1a\u53ef\u9009\u5730\u53d1\u751f\u989d\u5916\u884c\u4e3a\uff08\u4f8b\u5982\uff0c\u7528\u6237\u89e6\u53d1\u7684\u64cd\u4f5c\uff09\u3002<\/li>\n<li>\u6839\u636e\u7279\u5b9a\u60c5\u51b5\uff0c\u53ef\u80fd\u4f1a\u63d2\u5165\u6761\u4ef6\u6027\u64cd\u4f5c\u3002<\/li>\n<li>\u53ef\u4ee5\u5728\u4e0d\u7834\u574f\u6838\u5fc3\u6d41\u7a0b\u7684\u524d\u63d0\u4e0b\u6dfb\u52a0\u53d8\u4f53\u6216\u589e\u5f3a\u529f\u80fd\u3002<\/li>\n<\/ul>\n<p dir=\"auto\"><strong>\u793a\u4f8b<\/strong>\uff1a\u5728<strong>\u201c\u767b\u5f55\u7cfb\u7edf\u201d<\/strong>\u7528\u4f8b\u4e2d\uff0c\u4e3b\u8981\u6d41\u7a0b\u5305\u62ec\u8f93\u5165\u51ed\u636e\u5e76\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002\u4e00\u4e2a\u53ef\u9009\u6b65\u9aa4\uff0c\u4f8b\u5982<strong>\u201c\u542f\u7528\u53cc\u91cd\u8eab\u4efd\u9a8c\u8bc1\u201d<\/strong>\uff0c\u53ea\u6709\u5728\u7528\u6237\u542f\u7528\u4e86\u6b64\u529f\u80fd\u65f6\u624d\u4f1a\u89e6\u53d1\uff0c\u53ef\u4f5c\u4e3a\u6269\u5c55\u70b9\u3002<\/p>\n<h3 dir=\"auto\">2. \u8bc6\u522b\u53ef\u9009\u6216\u6761\u4ef6\u6027\u884c\u4e3a<\/h3>\n<p dir=\"auto\">\u5173\u6ce8\u7528\u4f8b\u4e2d\u5e76\u975e\u603b\u662f\u6267\u884c\u7684\u90e8\u5206\u3002\u8fd9\u4e9b\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul dir=\"auto\">\n<li>\u53ef\u9009\u7684\u7528\u6237\u8f93\u5165\uff08\u4f8b\u5982\uff0c\u5728\u8ba2\u5355\u6d41\u7a0b\u4e2d\u6dfb\u52a0\u793c\u54c1\u5305\u88c5\uff09\u3002<\/li>\n<li>\u5f02\u5e38\u60c5\u51b5\uff08\u4f8b\u5982\uff0c\u5904\u7406\u652f\u4ed8\u5931\u8d25\uff09\u3002<\/li>\n<li>\u7531\u7279\u5b9a\u6761\u4ef6\u89e6\u53d1\u7684\u589e\u5f3a\u529f\u80fd\uff08\u4f8b\u5982\uff0c\u5e94\u7528\u6298\u6263\u7801\uff09\u3002<\/li>\n<\/ul>\n<p dir=\"auto\"><strong>\u793a\u4f8b<\/strong>\uff1a\u5728<strong>\u201c\u9884\u8ba2\u822a\u73ed\u201d<\/strong>\u7528\u4f8b\u4e2d\uff0c\u65c5\u5ba2\u53ef\u80fd\u53ef\u4ee5\u9009\u62e9<strong>\u201c\u9009\u62e9\u5ea7\u4f4d\u504f\u597d\u201d<\/strong>\uff08\u4f8b\u5982\uff0c\u9760\u7a97\u6216\u9760\u8fc7\u9053\uff09\u3002\u6b64\u6b65\u9aa4\u5e76\u975e\u9884\u8ba2\u7684\u5fc5\u9700\u9879\uff0c\u4f46\u9009\u62e9\u540e\u53ef\u63d0\u5347\u4f53\u9a8c\uff0c\u56e0\u6b64\u53ef\u4f5c\u4e3a\u6269\u5c55\u70b9\u7684\u5019\u9009\u3002<\/p>\n<h3 dir=\"auto\">3. \u5b9a\u4e49\u6709\u610f\u4e49\u4e14\u547d\u540d\u660e\u786e\u7684\u6269\u5c55\u70b9<\/h3>\n<p dir=\"auto\">\u6bcf\u4e2a\u6269\u5c55\u70b9\u90fd\u5e94\u5177\u6709\u6e05\u6670\u4e14\u63cf\u8ff0\u6027\u7684\u540d\u79f0\uff0c\u4ee5\u53cd\u6620\u5176\u7528\u9014\u3002\u8fd9\u6709\u52a9\u4e8e\u5f00\u53d1\u4eba\u5458\u548c\u5229\u76ca\u76f8\u5173\u8005\u7406\u89e3\u6269\u5c55\u53d1\u751f\u7684\u4f4d\u7f6e\u548c\u539f\u56e0\u3002<\/p>\n<p dir=\"auto\"><strong>\u793a\u4f8b<\/strong>\uff1a\u5728<strong>\u201c\u5904\u7406\u4ed8\u6b3e\u201d<\/strong>\u7528\u4f8b\u4e2d\uff0c\u4e00\u4e2a\u540d\u4e3a<strong>\u201c\u9a8c\u8bc1\u4f18\u60e0\u5238\u4ee3\u7801\u201d<\/strong>\u660e\u786e\u8868\u660e\u6269\u5c55\u884c\u4e3a\u6d89\u53ca\u68c0\u67e5\u5e76\u5e94\u7528\u4f18\u60e0\u5238\uff0c\u8fd9\u53ea\u6709\u5728\u7528\u6237\u63d0\u4f9b\u4e86\u4f18\u60e0\u5238\u65f6\u624d\u4f1a\u53d1\u751f\u3002<\/p>\n<h3 dir=\"auto\">4. \u786e\u4fdd\u57fa\u7840\u7528\u4f8b\u7684\u72ec\u7acb\u6027<\/h3>\n<p dir=\"auto\">\u57fa\u7840\u7528\u4f8b\u5fc5\u987b\u4fdd\u6301<strong>\u5b8c\u6574\u4e14\u6709\u610f\u4e49<\/strong>\u800c\u65e0\u9700\u4f9d\u8d56\u6269\u5c55\u884c\u4e3a\u3002\u6269\u5c55\u5e94\u589e\u5f3a\u6216\u6dfb\u52a0\u53ef\u9009\u529f\u80fd\uff0c\u800c\u4e0d\u662f\u5bf9\u57fa\u7840\u7528\u4f8b\u7684\u6210\u529f\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p dir=\"auto\"><strong>\u793a\u4f8b<\/strong>\uff1a\u5728<strong>\u201c\u63d0\u4ea4\u7533\u8bf7\u201d<\/strong>\u7528\u4e8e\u6c42\u804c\u95e8\u6237\u7684\u7528\u4f8b\u4e2d\uff0c\u50cf<strong>\u201c\u4e0a\u4f20\u9644\u52a0\u6587\u4ef6\u201d<\/strong>\u5141\u8bb8\u5019\u9009\u4eba\u63d0\u4ea4\u989d\u5916\u6587\u4ef6\uff08\u4f8b\u5982\uff0c\u8bc1\u4e66\uff09\u3002\u5373\u4f7f\u6ca1\u6709\u8fd9\u4e00\u6b65\uff0c\u7533\u8bf7\u6d41\u7a0b\u4e5f\u662f\u5b8c\u6574\u7684\uff0c\u4f46\u8be5\u6269\u5c55\u5bf9\u90e8\u5206\u7528\u6237\u589e\u52a0\u4e86\u4ef7\u503c\u3002<\/p>\n<h3 dir=\"auto\">5. \u5229\u7528\u5efa\u6a21\u5de5\u5177<\/h3>\n<p dir=\"auto\">\u50cf Visual Paradigm \u8fd9\u6837\u7684\u5de5\u5177\u53ef\u4ee5\u7b80\u5316\u5b9a\u4e49\u6269\u5c55\u70b9\u7684\u8fc7\u7a0b\u3002\u5728 Visual Paradigm \u4e2d\uff1a<\/p>\n<ul dir=\"auto\">\n<li>\u53f3\u952e\u5355\u51fb\u57fa\u7840\u7528\u4f8b\uff0c\u9009\u62e9<strong>\u6dfb\u52a0\u6269\u5c55\u70b9<\/strong>\uff0c\u5e76\u5206\u914d\u4e00\u4e2a\u63cf\u8ff0\u6027\u540d\u79f0\u3002<\/li>\n<li>\u5728\u7528\u4f8b\u7684\u7ec4\u4ef6\u4e2d\u8bb0\u5f55\u6269\u5c55\u70b9\uff0c\u4ee5\u786e\u4fdd\u6e05\u6670\u3002<\/li>\n<li>\u5c06\u6269\u5c55\u7528\u4f8b\u94fe\u63a5\u5230\u7279\u5b9a\u7684\u6269\u5c55\u70b9\uff0c\u4ee5\u663e\u793a\u5176\u884c\u4e3a\u7684\u96c6\u6210\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<p dir=\"auto\"><strong>\u793a\u4f8b<\/strong>\uff1a\u5728 Visual Paradigm \u4e2d\uff0c\u9488\u5bf9\u4e00\u4e2a<strong>\u201c\u7ed3\u8d26\u201d<\/strong>\u7528\u4f8b\uff0c\u60a8\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3a<strong>\u201c\u6307\u5b9a\u914d\u9001\u8bf4\u660e\u201d<\/strong>\u7684\u6269\u5c55\u70b9\uff0c\u5e76\u5c06\u5176\u4e0e\u4e00\u4e2a\u6269\u5c55\u7528\u4f8b<strong>\u201c\u6dfb\u52a0\u7279\u6b8a\u914d\u9001\u5907\u6ce8\u201d<\/strong>.<\/p>\n<h3 dir=\"auto\">6. \u5e94\u7528\u73b0\u5b9e\u573a\u666f<\/h3>\n<p dir=\"auto\">\u5c06\u6269\u5c55\u70b9\u6620\u5c04\u5230\u5b9e\u9645\u573a\u666f\u53ef\u4ee5\u786e\u4fdd\u5b83\u4eec\u4e0e\u7cfb\u7edf\u9700\u6c42\u4fdd\u6301\u4e00\u81f4\u3002\u901a\u8fc7\u8003\u8651\u5b83\u4eec\u5982\u4f55\u878d\u5165\u7cfb\u7edf\u7684\u6d41\u7a0b\u548c\u7528\u6237\u4ea4\u4e92\u6765\u6d4b\u8bd5\u4f60\u7684\u9009\u62e9\u3002<\/p>\n<h2 dir=\"auto\">\u6269\u5c55\u70b9\u7684\u5b9e\u9645\u793a\u4f8b<\/h2>\n<p dir=\"auto\">\u8ba9\u6211\u4eec\u63a2\u8ba8\u51e0\u4e2a\u73b0\u5b9e\u4e16\u754c\u7684\u4f8b\u5b50\uff0c\u4ee5\u8bf4\u660e\u5982\u4f55\u6709\u6548\u5730\u8bc6\u522b\u548c\u5b9e\u73b0\u6269\u5c55\u70b9\u3002<\/p>\n<h3 dir=\"auto\">\u793a\u4f8b1\uff1a\u7535\u5b50\u5546\u52a1\u7cfb\u7edf \u2013 \u4e0b\u5355<\/h3>\n<ul dir=\"auto\">\n<li><strong>\u57fa\u7840\u7528\u4f8b<\/strong>: <strong>\u4e0b\u5355<\/strong><br \/>\u7528\u6237\u9009\u62e9\u5546\u54c1\uff0c\u8f93\u5165\u652f\u4ed8\u4fe1\u606f\uff0c\u5e76\u786e\u8ba4\u8ba2\u5355\u3002<\/li>\n<li><strong>\u6269\u5c55\u70b9<\/strong>:\n<ol dir=\"auto\">\n<li><strong>\u5e94\u7528\u6298\u6263<\/strong>\uff1a\u5728\u7528\u6237\u7ed3\u8d26\u65f6\u8f93\u5165\u6709\u6548\u6298\u6263\u7801\u65f6\u89e6\u53d1\u3002<\/li>\n<li><strong>\u6307\u5b9a\u914d\u9001\u8bf4\u660e<\/strong>\uff1a\u5982\u679c\u7528\u6237\u5e0c\u671b\u6dfb\u52a0\u7279\u6b8a\u914d\u9001\u5907\u6ce8\uff08\u4f8b\u5982\uff0c\u201c\u8bf7\u5c06\u5305\u88f9\u653e\u5728\u540e\u95e8\u201d\uff09\u65f6\u89e6\u53d1\u3002<\/li>\n<\/ol>\n<\/li>\n<li><strong>\u6269\u5c55\u7528\u4f8b<\/strong>:\n<ul dir=\"auto\">\n<li><strong>\u5e94\u7528\u6298\u6263<\/strong>\uff1a\u9a8c\u8bc1\u4ee3\u7801\u5e76\u8c03\u6574\u8ba2\u5355\u603b\u989d\u3002<\/li>\n<li><strong>\u6dfb\u52a0\u7279\u6b8a\u914d\u9001\u5907\u6ce8<\/strong>\uff1a\u5141\u8bb8\u7528\u6237\u8f93\u5165\u81ea\u5b9a\u4e49\u8bf4\u660e\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7406\u7531<\/strong>\uff1a\u8fd9\u4e9b\u6269\u5c55\u662f\u53ef\u9009\u7684\uff0c\u4ec5\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u53d1\u751f\uff08\u4f8b\u5982\uff0c\u6709\u6548\u7684\u6298\u6263\u7801\u6216\u7528\u6237\u5e0c\u671b\u6dfb\u52a0\u7279\u6b8a\u8bf4\u660e\uff09\u3002\u5373\u4f7f\u6ca1\u6709\u8fd9\u4e9b\u6269\u5c55\uff0c\u57fa\u7840\u7528\u4f8b\u4f9d\u7136\u5b8c\u6574\u3002<\/li>\n<\/ul>\n<h3 dir=\"auto\">\u793a\u4f8b2\uff1a\u94f6\u884c\u7cfb\u7edf \u2013 \u63d0\u73b0<\/h3>\n<ul dir=\"auto\">\n<li><strong>\u57fa\u7840\u7528\u4f8b<\/strong>: <strong>\u63d0\u73b0<\/strong><br \/>\u7528\u6237\u63d2\u5165\u94f6\u884c\u5361\uff0c\u8f93\u5165\u5bc6\u7801\uff0c\u6307\u5b9a\u91d1\u989d\uff0c\u7136\u540e\u83b7\u5f97\u73b0\u91d1\u3002<\/li>\n<li><strong>\u6269\u5c55\u70b9<\/strong>:\n<ol dir=\"auto\">\n<li><strong>\u8bf7\u6c42\u6536\u636e<\/strong>: \u5982\u679c\u7528\u6237\u9009\u62e9\u63a5\u6536\u4ea4\u6613\u56de\u6267\uff0c\u5219\u89e6\u53d1\u3002<\/li>\n<li><strong>\u53d6\u6b3e\u524d\u68c0\u67e5\u4f59\u989d<\/strong>: \u5982\u679c\u7528\u6237\u9009\u62e9\u5728\u53d6\u6b3e\u524d\u67e5\u770b\u5176\u8d26\u6237\u4f59\u989d\uff0c\u5219\u89e6\u53d1\u3002<\/li>\n<\/ol>\n<\/li>\n<li><strong>\u6269\u5c55\u7528\u4f8b<\/strong>:\n<ul dir=\"auto\">\n<li><strong>\u6253\u5370\u56de\u6267<\/strong>: \u751f\u6210\u5e76\u6253\u5370\u4ea4\u6613\u56de\u6267\u3002<\/li>\n<li><strong>\u663e\u793a\u8d26\u6237\u4f59\u989d<\/strong>: \u663e\u793a\u7528\u6237\u7684\u5f53\u524d\u4f59\u989d\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7406\u7531<\/strong>: \u8fd9\u4e9b\u884c\u4e3a\u662f\u53ef\u9009\u7684\uff0c\u4e0d\u4f1a\u5f71\u54cd\u6838\u5fc3\u53d6\u6b3e\u6d41\u7a0b\uff0c\u56e0\u6b64\u975e\u5e38\u9002\u5408&lt;&lt;extend&gt;&gt;\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<h3 dir=\"auto\">\u793a\u4f8b3\uff1a\u5728\u7ebf\u5b66\u4e60\u5e73\u53f0 \u2013 \u53c2\u52a0\u6d4b\u9a8c<\/h3>\n<ul dir=\"auto\">\n<li><strong>\u57fa\u7840\u7528\u4f8b<\/strong>: <strong>\u53c2\u52a0\u6d4b\u9a8c<\/strong><br \/>\u5b66\u751f\u767b\u5f55\u540e\uff0c\u9009\u62e9\u4e00\u4e2a\u6d4b\u9a8c\uff0c\u56de\u7b54\u95ee\u9898\uff0c\u5e76\u63d0\u4ea4\u7b54\u6848\u3002<\/li>\n<li><strong>\u6269\u5c55\u70b9<\/strong>:\n<ol dir=\"auto\">\n<li><strong>\u7533\u8bf7\u989d\u5916\u65f6\u95f4<\/strong>: \u5982\u679c\u5b66\u751f\u6709\u7279\u6b8a\u5b89\u6392\u5141\u8bb8\u989d\u5916\u65f6\u95f4\uff0c\u5219\u89e6\u53d1\u3002<\/li>\n<li><strong>\u4fdd\u5b58\u8fdb\u5ea6<\/strong>: \u5982\u679c\u5b66\u751f\u9009\u62e9\u4fdd\u5b58\u7b54\u6848\u5e76\u7a0d\u540e\u7ee7\u7eed\uff0c\u5219\u89e6\u53d1\u3002<\/li>\n<\/ol>\n<\/li>\n<li><strong>\u6269\u5c55\u7528\u4f8b<\/strong>:\n<ul dir=\"auto\">\n<li><strong>\u6388\u4e88\u989d\u5916\u65f6\u95f4<\/strong>: \u4e3a\u7b26\u5408\u6761\u4ef6\u7684\u5b66\u751f\u5ef6\u957f\u6d4b\u9a8c\u65f6\u95f4\u3002<\/li>\n<li><strong>\u4fdd\u5b58\u5e76\u7ee7\u7eed\u6d4b\u9a8c<\/strong>: \u5141\u8bb8\u90e8\u5206\u5b8c\u6210\u5e76\u5728\u4e4b\u540e\u7ee7\u7eed\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7406\u7531<\/strong>: \u8fd9\u4e9b\u6269\u5c55\u662f\u6761\u4ef6\u6027\u7684\uff08\u4f8b\u5982\u57fa\u4e8e\u8d44\u683c\u6216\u7528\u6237\u9009\u62e9\uff09\uff0c\u5728\u4e0d\u5fc5\u8981\u7684\u60c5\u51b5\u4e0b\u589e\u5f3a\u4e86\u57fa\u7840\u7528\u4f8b\u3002<\/li>\n<\/ul>\n<h3 dir=\"auto\">\u793a\u4f8b 4\uff1a\u56fe\u4e66\u9986\u7cfb\u7edf \u2013 \u501f\u4e66<\/h3>\n<ul dir=\"auto\">\n<li><strong>\u57fa\u672c\u7528\u4f8b<\/strong>: <strong>\u501f\u4e66<\/strong><br \/>\u7528\u6237\u641c\u7d22\u4e00\u672c\u4e66\uff0c\u9009\u62e9\u5b83\uff0c\u5e76\u4f7f\u7528\u4ed6\u4eec\u7684\u56fe\u4e66\u9986\u5361\u529e\u7406\u501f\u9605\u3002<\/li>\n<li><strong>\u6269\u5c55\u70b9<\/strong>:\n<ol dir=\"auto\">\n<li><strong>\u9884\u7ea6\u56fe\u4e66<\/strong>\uff1a\u5f53\u56fe\u4e66\u4e0d\u53ef\u7528\u4e14\u7528\u6237\u5e0c\u671b\u9884\u7ea6\u65f6\u89e6\u53d1\u3002<\/li>\n<li><strong>\u652f\u4ed8\u903e\u671f\u7f5a\u6b3e<\/strong>\uff1a\u5f53\u7528\u6237\u6709\u672a\u7ed3\u6e05\u7684\u7f5a\u6b3e\uff0c\u5fc5\u987b\u5728\u501f\u4e66\u524d\u6e05\u507f\u65f6\u89e6\u53d1\u3002<\/li>\n<\/ol>\n<\/li>\n<li><strong>\u6269\u5c55\u7528\u4f8b<\/strong>:\n<ul dir=\"auto\">\n<li><strong>\u63d0\u4ea4\u9884\u7ea6<\/strong>\uff1a\u5c06\u7528\u6237\u52a0\u5165\u8be5\u4e66\u7684\u7b49\u5f85\u540d\u5355\u3002<\/li>\n<li><strong>\u7ed3\u6e05\u7f5a\u6b3e<\/strong>\uff1a\u5904\u7406\u4efb\u4f55\u903e\u671f\u7f5a\u6b3e\u7684\u652f\u4ed8\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7406\u7531<\/strong>\uff1a\u8fd9\u4e9b\u64cd\u4f5c\u662f\u6761\u4ef6\u6027\u7684\uff08\u4f8b\u5982\u56fe\u4e66\u4e0d\u53ef\u7528\u6216\u672a\u652f\u4ed8\u7f5a\u6b3e\uff09\uff0c\u5e76\u975e\u6bcf\u6b21\u501f\u9605\u8fc7\u7a0b\u90fd\u5305\u542b\u3002<\/li>\n<\/ul>\n<h2 dir=\"auto\">\u5b9a\u4e49\u6269\u5c55\u70b9\u7684\u6700\u4f73\u5b9e\u8df5<\/h2>\n<p dir=\"auto\">\u4e3a\u786e\u4fdd\u6269\u5c55\u70b9\u7684\u6709\u6548\u4f7f\u7528\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<ol dir=\"auto\">\n<li><strong>\u4fdd\u6301\u540d\u79f0\u63cf\u8ff0\u6027<\/strong>\uff1a\u4f7f\u7528\u6e05\u6670\u3001\u5177\u4f53\u7684\u540d\u79f0\uff0c\u4f8b\u5982<strong>\u201c\u5e94\u7528\u4f18\u60e0\u5238\u201d<\/strong>\u6216<strong>\u201c\u9009\u62e9\u5ea7\u4f4d\u504f\u597d\u201d<\/strong>\u4ee5\u907f\u514d\u6b67\u4e49\u3002<\/li>\n<li><strong>\u9a8c\u8bc1\u72ec\u7acb\u6027<\/strong>\uff1a\u786e\u8ba4\u57fa\u672c\u7528\u4f8b\u5728\u6ca1\u6709\u6269\u5c55\u884c\u4e3a\u7684\u60c5\u51b5\u4e0b\u4e5f\u80fd\u5b8c\u5168\u8fd0\u884c\u3002<\/li>\n<li><strong>\u8bb0\u5f55\u6761\u4ef6<\/strong>\uff1a\u6307\u5b9a\u6269\u5c55\u89e6\u53d1\u7684\u6761\u4ef6\uff08\u4f8b\u5982\uff1a\u201c\u5982\u679c\u7528\u6237\u8f93\u5165\u6709\u6548\u7684\u4f18\u60e0\u5238\u4ee3\u7801\u201d\uff09\u3002<\/li>\n<li><strong>\u6709\u6548\u4f7f\u7528\u5de5\u5177<\/strong>\uff1a\u5229\u7528\u5982 Visual Paradigm \u6216 Enterprise Architect \u7b49 UML \u5de5\u5177\uff0c\u4ee5\u53ef\u89c6\u5316\u65b9\u5f0f\u5b9a\u4e49\u5e76\u8fde\u63a5\u6269\u5c55\u70b9\u3002<\/li>\n<li><strong>\u4e0e\u5229\u76ca\u76f8\u5173\u8005\u5171\u540c\u6d4b\u8bd5<\/strong>\uff1a\u4e0e\u5229\u76ca\u76f8\u5173\u8005\u4e00\u8d77\u5ba1\u67e5\u6269\u5c55\u70b9\uff0c\u4ee5\u786e\u4fdd\u5176\u7b26\u5408\u7cfb\u7edf\u9700\u6c42\u548c\u7528\u6237\u671f\u671b\u3002<\/li>\n<\/ol>\n<h2 dir=\"auto\">\u5e94\u907f\u514d\u7684\u5e38\u89c1\u9677\u9631<\/h2>\n<ul dir=\"auto\">\n<li><strong>\u8fc7\u5ea6\u4f7f\u7528\u6269\u5c55<\/strong>\uff1a\u4e0d\u8981\u5c06 &lt;&lt;extend&gt;&gt; \u7528\u4e8e\u5f3a\u5236\u6027\u884c\u4e3a\uff1b\u5e94\u4f7f\u7528 &lt;&lt;include&gt;&gt; \u8868\u793a\u5fc5\u9700\u7684\u5b50\u6d41\u7a0b\u3002<\/li>\n<li><strong>\u6a21\u7cca\u7684\u6269\u5c55\u70b9<\/strong>\uff1a\u907f\u514d\u4f7f\u7528\u5982<strong>\u201c\u505a\u67d0\u4e8b\u201d<\/strong>\u8fd9\u7c7b\u65e0\u6cd5\u4f20\u8fbe\u6269\u5c55\u76ee\u7684\u7684\u901a\u7528\u540d\u79f0\u3002<\/li>\n<li><strong>\u4f7f\u57fa\u7840\u7528\u4f8b\u53d8\u5f97\u81c3\u80bf<\/strong>\uff1a\u786e\u4fdd\u6269\u5c55\u786e\u5b9e\u662f\u53ef\u9009\u7684\uff0c\u4ee5\u907f\u514d\u8fc7\u5ea6\u590d\u6742\u5316\u6838\u5fc3\u6d41\u7a0b\u3002<\/li>\n<li><strong>\u5ffd\u7565\u6761\u4ef6<\/strong>\uff1a\u59cb\u7ec8\u660e\u786e\u89e6\u53d1\u6269\u5c55\u7684\u5177\u4f53\u6761\u4ef6\uff0c\u4ee5\u4fdd\u6301\u6e05\u6670\u6027\u3002<\/li>\n<\/ul>\n<h2 dir=\"auto\">\u5728 UML \u5de5\u5177\u4e2d\u53ef\u89c6\u5316\u6269\u5c55\u70b9<\/h2>\n<p dir=\"auto\">\u5728 Visual Paradigm \u7b49\u5de5\u5177\u4e2d\uff0c\u6269\u5c55\u70b9\u8bb0\u5f55\u5728\u57fa\u7840\u7528\u4f8b\u7684\u7ec4\u4ef6\u5185\u3002\u4f8b\u5982\uff1a<\/p>\n<ul dir=\"auto\">\n<li><strong>\u7528\u4f8b<\/strong>\uff1a\u4e0b\u5355\n<ul dir=\"auto\">\n<li><strong>\u6269\u5c55\u70b9<\/strong>:\n<ul dir=\"auto\">\n<li>\u5e94\u7528\u6298\u6263\uff08\u6761\u4ef6\uff1a\u7528\u6237\u8f93\u5165\u6709\u6548\u7684\u6298\u6263\u7801\uff09<\/li>\n<li>\u6307\u5b9a\u914d\u9001\u8bf4\u660e\uff08\u6761\u4ef6\uff1a\u7528\u6237\u9009\u62e9\u6dfb\u52a0\u914d\u9001\u5907\u6ce8\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\u6269\u5c55\u7528\u4f8b\u901a\u8fc7 &lt;&lt;extend&gt;&gt; \u5173\u7cfb\u4e0e\u8fd9\u4e9b\u70b9\u76f8\u8fde\uff0c\u901a\u5e38\u9644\u6709\u8bf4\u660e\u6761\u4ef6\u7684\u6ce8\u91ca\u3002<\/li>\n<\/ul>\n<p dir=\"auto\">\u8fd9\u79cd\u53ef\u89c6\u5316\u8868\u793a\u786e\u4fdd\u5f00\u53d1\u4eba\u5458\u548c\u5229\u76ca\u76f8\u5173\u8005\u80fd\u591f\u8f7b\u677e\u8ffd\u8e2a\u6269\u5c55\u7684\u96c6\u6210\u65b9\u5f0f\u548c\u4f4d\u7f6e\u3002<\/p>\n<h2 dir=\"auto\">\u7ed3\u8bba<\/h2>\n<p dir=\"auto\">\u5728\u7528\u4f8b\u4e2d\u6b63\u786e\u8bc6\u522b\u63d2\u5165 &lt;&lt;extend&gt;&gt; \u6bb5\u7684\u4f4d\u7f6e\uff0c\u9700\u8981\u6df1\u5165\u7406\u89e3\u7cfb\u7edf\u7684\u529f\u80fd\u9700\u6c42\uff0c\u5e76\u4ed4\u7ec6\u5206\u6790\u57fa\u7840\u7528\u4f8b\u7684\u6d41\u7a0b\u3002\u901a\u8fc7\u805a\u7126\u4e8e\u53ef\u9009\u6216\u6761\u4ef6\u6027\u884c\u4e3a\uff0c\u8d4b\u4e88\u6e05\u6670\u7684\u540d\u79f0\uff0c\u5e76\u786e\u4fdd\u57fa\u7840\u7528\u4f8b\u7684\u72ec\u7acb\u6027\uff0c\u53ef\u4ee5\u521b\u5efa\u6a21\u5757\u5316\u4e14\u7075\u6d3b\u7684\u7528\u4f8b\u6a21\u578b\u3002\u73b0\u5b9e\u4e2d\u7684\u4f8b\u5b50\uff0c\u5982\u7535\u5b50\u5546\u52a1\u7cfb\u7edf\u4e2d\u5e94\u7528\u6298\u6263\u6216\u6d4b\u9a8c\u4e2d\u8bf7\u6c42\u989d\u5916\u65f6\u95f4\uff0c\u5c55\u793a\u4e86\u6269\u5c55\u70b9\u5982\u4f55\u63d0\u5347\u7cfb\u7edf\u8bbe\u8ba1\uff0c\u800c\u4e0d\u4f1a\u4f7f\u6838\u5fc3\u529f\u80fd\u53d8\u5f97\u81c3\u80bf\u3002<\/p>\n<p dir=\"auto\">\u901a\u8fc7\u9075\u5faa\u672c\u6307\u5357\u4e2d\u5217\u51fa\u7684\u6b65\u9aa4\u2014\u2014\u5206\u6790\u6d41\u7a0b\u3001\u8bc6\u522b\u53ef\u9009\u884c\u4e3a\u3001\u6e05\u6670\u547d\u540d\u6269\u5c55\u70b9\uff0c\u5e76\u6709\u6548\u5229\u7528 UML \u5de5\u5177\uff0c\u4f60\u53ef\u4ee5\u638c\u63e1\u5b9a\u4e49\u6269\u5c55\u70b9\u7684\u827a\u672f\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u63d0\u5347\u4e86\u7528\u4f8b\u56fe\u7684\u6e05\u6670\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u8fd8\u786e\u4fdd\u7cfb\u7edf\u80fd\u591f\u9002\u5e94\u4e0d\u65ad\u53d8\u5316\u7684\u9700\u6c42\u3002<\/p>\n<div class=\"wspage_col wspage_list\">\n<div class=\"wspage_in\">\n<div class=\"fn__single_content\">\n<h2 dir=\"ltr\">\u53c2\u8003<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/21179_documentingu.html\">\u5728Visual Paradigm\u4e2d\u8bb0\u5f55\u7528\u4f8b\u8be6\u7ec6\u4fe1\u606f<\/a><br \/>\n\u5982\u4f55\u5728Visual Paradigm\u4e2d\u7f16\u8f91\u548c\u67e5\u770b\u7528\u4f8b\u8be6\u7ec6\u4fe1\u606f\u7684\u6307\u5357\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/6362_drawinguseca.html\">\u5982\u4f55\u7ed8\u5236\u7528\u4f8b\u56fe\uff1f\u2014\u2014Visual Paradigm<\/a><br \/>\n\u4f7f\u7528Visual Paradigm\u521b\u5efaUML\u7528\u4f8b\u56fe\u7684\u9010\u6b65\u8bf4\u660e\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\">\u4ec0\u4e48\u662f\u7528\u4f8b\u56fe\uff1f\u2014\u2014Visual Paradigm<\/a><br \/>\n\u7528\u4f8b\u56fe\u7684\u6982\u8ff0\u53ca\u5176\u5728\u5efa\u6a21\u7cfb\u7edf\u884c\u4e3a\u4e2d\u7684\u4f5c\u7528\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575_usecasediagr.html\">Visual Paradigm\u4e2d\u7684\u7528\u4f8b\u56fe<\/a><br \/>\n\u5bf9\u7528\u4f8b\u56fe\u5143\u7d20\u7684\u8be6\u7ec6\u89e3\u91ca\uff0c\u4ee5\u53ca\u5982\u4f55\u8bb0\u5f55\u7528\u4f8b\u4e8b\u4ef6\u3002<\/li>\n<li><a href=\"https:\/\/circle.visual-paradigm.com\/docs\/uml-and-sysml\/use-case-diagram\/use-case-diagram-notations-guide\/\">\u7528\u4f8b\u56fe\u7b26\u53f7\u6307\u5357\u2014\u2014Visual Paradigm<\/a><br \/>\nVisual Paradigm\u652f\u6301\u7684UML\u7528\u4f8b\u56fe\u7b26\u53f7\u7684\u5168\u9762\u6307\u5357\u3002<\/li>\n<li><a href=\"https:\/\/www.archimetric.com\/comprehensive-guide-to-creating-use-case-diagrams-with-visual-paradigm\/\">\u4f7f\u7528Visual Paradigm\u521b\u5efa\u7528\u4f8b\u56fe\u7684\u5168\u9762\u6307\u5357<\/a><br \/>\n\u5728Visual Paradigm\u4e2d\u8bc6\u522b\u53c2\u4e0e\u8005\u3001\u5b9a\u4e49\u7528\u4f8b\u4ee5\u53ca\u5efa\u6a21\u5173\u7cfb\u7684\u8be6\u7ec6\u6559\u7a0b\u3002<\/li>\n<li><a href=\"https:\/\/www.angelfire.com\/space\/umltutor\/UseCaseModeling\/\">Visual Paradigm\u4e2dUML\u7684\u7528\u4f8b\u63cf\u8ff0\u2014\u2014Angelfire<\/a><br \/>\n\u89e3\u91ca\u5728Visual Paradigm\u4e2d\u7528\u4f8b\u63cf\u8ff0\u3001\u8c03\u5ea6\u3001\u7ec6\u5316\u548c\u6587\u6863\u751f\u6210\u3002<\/li>\n<li><a href=\"https:\/\/guides.visual-paradigm.com\/demystifying-use-case-models-bridging-textual-detail-and-visual-insight\/\">\u63ed\u5f00\u7528\u4f8b\u6a21\u578b\u7684\u795e\u79d8\u9762\u7eb1\uff1a\u8fde\u63a5\u6587\u672c\u7ec6\u8282\u4e0e\u89c6\u89c9\u6d1e\u5bdf<\/a><br \/>\n\u8ba8\u8bba\u5982\u4f55\u5728Visual Paradigm\u4e2d\u5c06\u7528\u4f8b\u7684\u6587\u672c\u7ec6\u8282\u4e0e\u89c6\u89c9\u56fe\u793a\u76f8\u7ed3\u5408\u3002<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/VPGallery\/diagrams\/UseCase.html\">\u7528\u4f8b\u56fe\u2014\u2014UML\u5efa\u6a21\u5de5\u5177\u2014\u2014Visual Paradigm<\/a><br \/>\nVisual Paradigm\u5b98\u65b9\u9875\u9762\uff0c\u5c55\u793a\u7528\u4f8b\u56fe\u529f\u80fd\u548c\u7b26\u53f7\u652f\u6301\u3002<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09, \u7528\u4f8b\u56fe\u662f\u6355\u6349\u7cfb\u7edf\u529f\u80fd\u9700\u6c42\u7684\u5f3a\u5927\u5de5&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[60,62,58],"tags":[],"class_list":["post-1495","post","type-post","status-publish","format-standard","hentry","category-unified-modeling-language","category-use-case-modeling","category-visual-paradigm"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ 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